Sliver Queen, Brood Mother [Vanguard Series] Phyrexian Shapeshifter that player adds one mana

that player adds one mana of any type that land produced

Set: Mirrodin Type: Artifact — Equipment Rarity: Rare Cost: {4} Equipped creature gets +1/+1 for each Swamp you control

When Wurmcoil Engine dies

+1: Target player loses 2 life

Set: Guilds of Ravnica Type: Land — Forest Plains Rarity: Rare ({T}: Add {G} or {W}

Sliver Queen, Brood Mother [Vanguard Series] Phyrexian Shapeshifter that player adds one manaSet: Vanguard Series Type: Vanguard Rarity: Rare {3}: Create a 1 1 colorless Sliver creature token. Though long held captive beneath Volrath's stronghold, the sliver queen is actually freer than most of Rath's denizens. Her maternal instincts always take precedenceeven when they conflict with the evincar's agendaand through her numerous litters, she ranges across all of Rath.